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2 Remote Sensing means the observation of, or gathering information about, a target by a device separated from it by some distance. Cracknell & Hayes

3 Remote Sensing A major characteristic of an image is the wavelength band it represents. Richards & Jia 1999

4 Remote Sensing Spectral resolution Temporal resolution wavelength width of the different frequency bands recorded frequency of flyovers by the satellite or plane Spatial resolution Radiometric resolution size of a pixel that is recorded in a raster image number of different intensities of radiation the sensor is able to distinguish

5 Measurements of the spatial distribution of reflected solar radiation external energy source(passive) of the spatial distribution of the energy emitted by the earth itself of the relative return from the earth s surface of energy transmitted from the vihicle itself(active) Richards & Jia 1999

6 Interaction mechanism Significance of diffenrent ranges lies in the interaction mechanism between the electromagnetic radiation and the material being examed Richards & Jia 1999

Active and Passive Microwave Remote Sensing Passive remote sensing system record EMR that was reflected (e.g., blue, green, red, and near IR) or emitted (e.g., thermal IR) from the surface of the Earth.

of Global Climate Change 2009 TECHNICAL STUFF... WHERE ON THE EARTH IS THAT??? Students should understand various geographic coordinate systems used to locate images, and how to translate these into distances

Synthetic Aperture Radar (SAR) Ministry of Security and Public Administration National Disaster Management Institute RADAR RAdio Detection And Ranging RADAR An object-detection system that uses radio waves

Chapter 8 Remote Sensing Chapter Overview Remote sensing is the collection of data without directly measuring the object it relies on the reflectance of natural or emitted electromagnetic radiation (EMR).

Tools of Astronomy Notes Light is a form of electromagnetic radiation. Scientists call the light you can see visible light. If you shine white light through a prism, the light spreads out to make a range

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August 1999 NF-207 The Earth Science Enterprise Series These articles discuss Earth's many dynamic processes and their interactions Clouds and the Energy Cycle he study of clouds, where they occur, and

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1 Preface Remote Sensing data is one of the primary data sources in GIS analysis. The objective of this material is to provide fundamentals of Remote Sensing technology and its applications in Geographical

Data Management Framework for the North American Carbon Program Bob Cook, Peter Thornton, and the Steering Committee Image courtesy of NASA/GSFC NACP Data Management Planning Workshop New Orleans, LA January

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Ch 6: Light and Telescope Wave and Wavelength..\..\aTeach\PhET\wave-on-a-string_en.jar Wavelength, Frequency and Speed Wave and Wavelength A wave is a disturbance that moves through a medium or through

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Weather Radar Basics RADAR: Radio Detection And Ranging Developed during World War II as a method to detect the presence of ships and aircraft (the military considered weather targets as noise) Since WW